C#遍历类的属性 PropertyInfo.Attributes

来源:互联网 发布:淘宝客寻找内部优惠券 编辑:程序博客网 时间:2024/05/20 07:17

PropertyInfo.Attributes 属性

此属性表示与成员关联的特性。 所有成员都具有相对于特定成员类型定义的特性集。 属性特性使用户能够知道此属性是否是默认属性、SpecialName 属性等等。

若要获取 Attributes 属性,请先获取类类型。 从 Type 获取 PropertyInfo 从 PropertyInfo 获取特性。

官方示例:获取类的特性

复制代码
 1 using System; 2 using System.Reflection; 3  4 public class Myproperty 5 { 6     private string caption = "Default caption"; 7     public string Caption 8     { 9         get{return caption;}10         set {if(caption!=value) {caption = value;}11         }12     }13 }14 15 class Mypropertyinfo16 {17     public static int Main(string[] args)18     {19         Console.WriteLine("\nReflection.PropertyInfo");20 21         // Define a property.22         Myproperty Myproperty = new Myproperty();23         Console.Write("\nMyproperty.Caption = " + Myproperty.Caption);24 25         // Get the type and PropertyInfo.26         Type MyType = Type.GetType("Myproperty");27         PropertyInfo Mypropertyinfo = MyType.GetProperty("Caption");28 29         // Get and display the attributes property.30         PropertyAttributes Myattributes = Mypropertyinfo.Attributes;31 32         Console.Write("\nPropertyAttributes - " + Myattributes.ToString());33 34         return 0;35     }36 }
复制代码

官方参考:http://msdn.microsoft.com/zh-cn/library/system.reflection.propertyinfo.attributes

一个例子: 注意:貌似对字段无效

先建一个类User

复制代码
 1 namespace ClassLibrary1 2 { 3     public class User     4     {        5         private int userid = 1; 6         public int Userid 7         {  8             get { return userid; } 9             set { userid = value; }10         }  11         private string userName = "jghg";       12         public string UserName{13             get { return userName; } 14             set { userName = value; }15         }16         private string address = "ghjghj";17         public string Address{ 18             get { return address; } 19             set { address = value; }20         }        21         private string email = "jhgjhg";22         public string Email{23             get { return email; }24             set { email = value; }25         }26         private string phone = "ghjgjg";27         public string Phone28         { 29             get { return phone; }30             set { phone = value; }31         }32     }33 }
复制代码

接着在主程序中获取类的属性,看代码

复制代码
 1 namespace ConsoleApplication2 {  2     class Program {  3         static void Main(string[] args)  4         {  5             Type type = typeof(ClassLibrary1.User);  6             object obj = Activator.CreateInstance(type);  7             PropertyInfo[] props = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);  8             foreach (PropertyInfo p in props) {  9                 Console.WriteLine(p.Name); 10             } 11             Console.ReadLine(); 12         }13     } 14 }
复制代码

需要引入命名空间:

using System.Reflection;

0 0
原创粉丝点击